#include <stdio.h>

void main(){
    float fahr, celsius;

    int lower, upper, step;

    lower = 0;
    upper = 300;
    step = 20;
    celsius = lower;

    while(celsius <= upper){
         fahr = celsius * (9.0/5.0) + 32.0;

         printf("%3.0f\t%6.1f\n", celsius, fahr);

         celsius = celsius + step;
    }
}